condition mean min max 4 h after light 5.017755 4.62715 5.40836 8 h after light 4.239504999999999 4.05186 4.42715 12 h after light 5.635820000000001 5.27277 5.99887 4 h after dark 7.97912 7.58795 8.21273 8 h after dark 7.9573 7.59238 8.63985 12 h after dark 5.3932633333333335 5.14127 5.75273